$(function () {
    var container = document.querySelector('.container')
    var foot = document.querySelector('.foot')
    var del = document.querySelector('.del')
    console.log(del);
    var box = document.querySelector('.show')
    var del = box.querySelector('.methods')
    del.addEventListener('click',function(){
        container.style.display = 'none'
        foot.style.display = 'none'
        del.style.display = 'block'
    })
})